boat engine cover plate

Does placing a magnet on your oil filter, help in ridding metal filings from traveling through the engine?

It makes sense to me that placing a magnet on the oil filter, would trap some of the small metal filings from circulating in the engine. What's wrong with my theory?


your theory is correct and they already make them to fit your filter, they just slide up over the filter and there is like 10 small magnets on it, I've used them before and they do work.

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